Using a soft measuring tape across front of hubcap, it measures 12.75"; dia. of hubcap on back side is 9" CHEVROLET letters are 1" tall. I can email a picture to anyone who is willing to take a look at it. thanks for your help, Jerry Whitfield in Winston Salem, NC reply in an email addressed to me directly at wwhitfield@triad.rr.com. (I might forget to come back to this site to check on an answer.) Is there an internet site to go to, that has pictures of these old hubcaps and they be identified? thank